Novel sidewall contact wing of rotary steering drilling system

The invention discloses a novel sidewall contact wing of a rotary steering drilling system. The minimum plate thickness of the end, close to a drill, of the sidewall contact wing is 16.88 m; the sidewall contact wing comprises a main sidewall contact wing body, a positioning square cotter and a supp...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG WEI, WEI CHUNMING, ZHANG MENG, JIN PING, CHENG JIN, HAN XIAOWEN, GAO XIN, FU YUEYONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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